They are found in all types of vehicles.
Car electrical relay switch.
They employ an electromagnet device to mechanically switch and make or break an electrical circuit the type most commonly used in the auto industry is called a standard relay or a mini relay.
Every year vehicles are equipped with more and more safety luxury and convenience features and most of them rely on electricity from the battery and charging system the ignition switch is your gateway to electric power and once engaged a myriad of switches are at your disposal for entertainment navigation windshield wipers lights door locks windows climate control operation and much.
An electrical relay is a switch that is under the control of another circuit.
If the relay clicks and the circuit is still not.
Step 4 once the relay has been identified gently grasp or touch the relay in question have a helper turn the ignition key to the on position then crank the engine over the relay should click in one of the ignition switch positions.
If you ve got an electric cooling fan on your classic car or hot rod and you want to know how to wire it with a.
A classic example is the system used to start a car when someone turns an ignition key the ignition does not interact directly with the car battery instead it activates a relay which passes the signal on so that the car can start.
Whenever you operate a switch to an accessory in your car that carries a lot of current such as the lights wipers or horn you run a small amount of current through a relay which in turn closes contacts to operate the accessory.
Relays are used where it is necessary to control a circuit by an independent low power signal.
If so the trigger circuit of the relay electrical system is working if not continue to next step.
If something were to fail and short the chances of an interior fire are significantly reduced if a relay is utilized to allow the higher voltage switching occur in the engine compartment.
We show you how to wire in an electric fan relay kit with a thermostatic switch.
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An automotive relay is an electronically operated switch.